12047222 has 8 divisors (see below), whose sum is σ = 19713672. Its totient is φ = 5476000.

The previous prime is 12047219. The next prime is 12047227. The reversal of 12047222 is 22274021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12047194 and 12047203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12047227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273779 + ... + 273822.

It is an arithmetic number, because the mean of its divisors is an integer number (2464209).

Almost surely, 2^12047222 is an apocalyptic number.

12047222 is a deficient number, since it is larger than the sum of its proper divisors (7666450).

12047222 is a wasteful number, since it uses less digits than its factorization.

12047222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547614.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 12047222 is about 3470.9108314677. The cubic root of 12047222 is about 229.2427648691.

It can be divided in two parts, 120472 and 22, that multiplied together give a square (2650384 = 1628²).

The spelling of 12047222 in words is "twelve million, forty-seven thousand, two hundred twenty-two".